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Physical Layer and Ethernet Foundations

MAC Addresses and Burned-In Addresses

Physical Layer and Ethernet Foundations

MAC Addresses and Burned-In Addresses

beginner

Learn how 48-bit MAC addresses work, how they are formatted, and where they come from.

10 steps 10 minBeginner

What you'll learn

  • Understand what a MAC address is
  • Explain how MAC addresses uniquely identify network devices
  • Understand the concept of a burned-in address (BIA)
  • Recognize MAC address formatting used in Ethernet networks
  • Identify MAC address concepts commonly tested on the CCNA exam

Key Terms included

6 flip-cards to review